The California-Nevada state border.
most likely just another state but especially if it is not called an international border
== No, the term "state line" is not always the term used. I have traveled fairly extensively and have heard it called a state border as your question suggests, and "the border," and a "the state "boundry." I think there may have been others, which at the moment I can't recall .
The imaginary line around a state or country is called a border.
a state border is the border of state
The state that touches the northern border of Pennsylvania is New York. It shares a long border with Pennsylvania, extending from the western part of the state to the northeastern region. This border includes various geographic features, including rivers and forests.
Maine IS a border state
None. A border defines the boundary of a state therefore no state will cross the border of another state.
the border state
Alaska
They are not contiguous. Alaska is a part of North America, but has no border with any US State. It does have a maritime border with Russia and a land border with Canada. Hawaii is not in North America, but is a US State located in the Pacific Ocean.
Hawaii is the only state that does not border Tennessee.
All states but Alaska and Hawaii border at least one other state. Maine is the only state to border just one state.